<?php
$categories = array(
'category_1' => array(
'name' => 'Category 1',
'column' => '1'
),
'category_2' => array(
'name' => 'Category 2',
'column' => '2'
),
'category_3' => array(
'name' => 'Category 2',
'column' => '1'
),
'category_4' => array(
'name' => 'Category 4',
'column' => '3'
),
'category_4' => array(
'name' => 'Category 4',
'column' => '2'
),
);
$output = array();
foreach($categories as $catName => $category) {
$columnNum = $category['column'];
$key = 'column_' . $columnNum;
if (!isset($output[$columnNum] )) {
$output[$key] = array($catName);
} else {
$output[$key][] = $catName;
}
}
var_dump($output);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(2) {
["column_1"]=>
array(1) {
[0]=>
string(10) "category_3"
}
["column_2"]=>
array(1) {
[0]=>
string(10) "category_4"
}
}
preferences:
307.92 ms | 406 KiB | 460 Q